using DocumentServiceAPI.Application.UserAndLogin.Services;
using DocumentServiceAPI.Application.UserAndLogin.ViewMode;
using DocumentServiceAPI.Utility;
using Furion.DynamicApiController;
using Furion.JsonSerialization;
using Swashbuckle.AspNetCore.Annotations;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DocumentServiceAPI.Application.UserAndLogin
{
    /// <summary>
    /// 登录控制器
    /// </summary>
    [ApiDescriptionSettings("LogInAndUser")]
    [DynamicApiController]

    public class LogInController
    {
     private   TokenService _tokenService;
        private UserService _userService;
        public LogInController(TokenService tokenService,UserService  userService) {
            _tokenService = tokenService;
            _userService = userService;
         }
        /// <summary>
        /// 登录 1 输入员工账户或者租户账户，2 选择租户账户，3 选择公司
        /// </summary>
        /// <returns>登录信息</returns>
        [HttpPost("LogoIn")]
        public async Task<RetLoginVM> LogoIn (LoginPsWordIN Parma)
        {
              bool needtoken=false;
            if (Parma.TenantId==null)
            {
                //如果还没确定租户ID 需要先确定租户ID
                List<TenderVM>Tender = await _userService.GetUserTenderList(Parma.ITCode);
                
                switch (Tender.Count)
                {
                    case 0:
                        throw Oops.Oh($"账户或者密码错误");
                    case 1:
                         needtoken = await _userService.CheckPsw(Tender[0].TenderId, Tender[0].EmployeeID,Parma.PassWord);
                       
                        if(!needtoken)
                            throw Oops.Oh($"账户或者密码错误");

                        Parma.TenantId = Tender[0].TenderId;
                        Parma.employeeID = Tender[0].EmployeeID;
                        if (Parma.UnitID == null)
                        {
                        
                            List<UnitVM> Units = await _userService.GetUserUnitList(Parma.TenantId ?? 0);
                            if (Units.Count == 0)
                            {
                                //没有公司
                                needtoken = true;
                            }
                            else if (Units.Count == 1)
                            {
                                Parma.UnitID = Units[0].UnitID;
                                needtoken = true;
                            }
                            else
                            {
                                //其他需要用户选择租户
                                return new RetLoginVM
                                {
                                    NeedNext = true,
                                    Units = Units,

                                };
                            }
                        }
                    
                        break;
                      
                    default:
                        //其他需要用户选择租户
                        return new RetLoginVM
                        {
                            NeedNext = true,
                            Tenants = Tender,

                        };

                      
                }




              
            }
            else if(Parma.UnitID==null)
            {

                var Units = await _userService.GetUserUnitList(Parma.TenantId??0);
                if(Units.Count==0)
                {
                    //没有公司
                    needtoken = true;
                }
                else if (Units.Count==1) {
                    Parma.UnitID= Units[0].UnitID;
                    needtoken = true;
                }
                else
                {
                    //其他需要用户选择租户
                    return new RetLoginVM
                    {
                        NeedNext = true,
                       Units = Units,

                    };
                }

            }

            if(needtoken|| Parma.UnitID!=null)
            {
                
                TenderVM Tender = (await _userService.GetUserTenderList(Parma.ITCode)).Where(x=>x.TenderId==Parma.TenantId&&x.EmployeeID==Parma.employeeID).SingleOrDefault();
                if(Tender==null)
                {
                    throw Oops.Oh($"账户密码或者租户选择错误");
                }
                needtoken = await _userService.CheckPsw(Tender. TenderId, Tender.EmployeeID, Parma.PassWord);

                if (!needtoken)
                    throw Oops.Oh($"账户或者密码错误");
              var token=  _tokenService.CreateToken(new Model.JwtInfo
                {
                    EID = Tender.EmployeeID,
                    LogInSource = Parma.Form,
                    TEID = Tender.TenderId,
                    UID = Parma.UnitID,
                });
                return new RetLoginVM
                {
                    NeedNext = false,
                   Token = token,

                };
            }
            throw Oops.Oh($"参数错误");


        }


        

        /// <summary>
        /// 获取公司列表
        /// </summary>
        /// <returns>登录信息</returns>      
        public bool GetUnitList()
        {

            return true;
        }
        /// <summary>
        /// 获取公司列表
        /// </summary>
        /// <returns>登录信息</returns>
        public bool GetTenantInfoList()
        {

            return true;
        }
        public string Get()
        {
            return $"Hello {nameof(Furion)}";
        }
    }
}